irvingite

/ˈɜːrvɪŋaɪt/

Definitions

1. noun

A rare mineral consisting of a hydrated calcium phosphate, Ca10(PO4)6·5H2O.

“The geologist discovered a rare irvingite crystal formation deep within the cave.”

Synonyms

  • apatite
  • calcium phosphate

Antonyms

  • oxide
  • silicate